EP1912328A4 - Verstärker mit hohem wirkungsgrad - Google Patents

Verstärker mit hohem wirkungsgrad

Info

Publication number
EP1912328A4
EP1912328A4 EP06782031A EP06782031A EP1912328A4 EP 1912328 A4 EP1912328 A4 EP 1912328A4 EP 06782031 A EP06782031 A EP 06782031A EP 06782031 A EP06782031 A EP 06782031A EP 1912328 A4 EP1912328 A4 EP 1912328A4
Authority
EP
European Patent Office
Prior art keywords
highly efficient
efficient amplifier
amplifier
highly
efficient
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP06782031A
Other languages
English (en)
French (fr)
Other versions
EP1912328B1 (de
EP1912328A1 (de
Inventor
K Horiguchi
S Ishizaka
K Yamauchi
M Nakayama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP1912328A1 publication Critical patent/EP1912328A1/de
Publication of EP1912328A4 publication Critical patent/EP1912328A4/de
Application granted granted Critical
Publication of EP1912328B1 publication Critical patent/EP1912328B1/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0288—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers using a main and one or several auxiliary peaking amplifiers whereby the load is connected to the main amplifier using an impedance inverter, e.g. Doherty amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/60—Amplifiers in which coupling networks have distributed constants, e.g. with waveguide resonators

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Microwave Amplifiers (AREA)
EP06782031A 2005-08-01 2006-07-31 Verstärker mit hohem wirkungsgrad Expired - Fee Related EP1912328B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005222986 2005-08-01
PCT/JP2006/315153 WO2007015462A1 (ja) 2005-08-01 2006-07-31 高効率増幅器

Publications (3)

Publication Number Publication Date
EP1912328A1 EP1912328A1 (de) 2008-04-16
EP1912328A4 true EP1912328A4 (de) 2009-01-07
EP1912328B1 EP1912328B1 (de) 2011-09-21

Family

ID=37708742

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06782031A Expired - Fee Related EP1912328B1 (de) 2005-08-01 2006-07-31 Verstärker mit hohem wirkungsgrad

Country Status (6)

Country Link
US (1) US7649412B2 (de)
EP (1) EP1912328B1 (de)
JP (1) JPWO2007015462A1 (de)
KR (1) KR100957895B1 (de)
CN (1) CN101228689B (de)
WO (1) WO2007015462A1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100862056B1 (ko) 2007-08-06 2008-10-14 (주) 와이팜 광대역 전력 증폭 장치
JP5234006B2 (ja) * 2007-11-21 2013-07-10 富士通株式会社 電力増幅器
JP5132624B2 (ja) * 2009-04-02 2013-01-30 日本電信電話株式会社 高効率増幅器
KR101691418B1 (ko) * 2009-05-15 2017-01-02 삼성전자주식회사 도허티 증폭기에서 피킹 증폭기의 성능을 최적화시키기 위한 장치 및 방법
US8115546B2 (en) * 2009-05-15 2012-02-14 Samsung Electronics Co., Ltd. Apparatus and method for maximizing performance of peaking amplifier in doherty amplifier
WO2011046031A1 (ja) * 2009-10-13 2011-04-21 日本電気株式会社 電力増幅器およびその動作方法
KR101709347B1 (ko) * 2009-12-16 2017-03-09 삼성전자주식회사 결합셀 도허티 전력 증폭 장치 및 방법
KR101101515B1 (ko) * 2010-02-03 2012-01-05 삼성전기주식회사 전력 증폭기
KR101677555B1 (ko) * 2010-02-25 2016-11-21 삼성전자주식회사 도허티 증폭기에서 낮은 전력 영역에서의 효율을 향상시키기 위한 장치
US9007142B1 (en) * 2011-08-02 2015-04-14 Anadigics, Inc. Integrated output combiner for amplifier system
EP2806557B1 (de) 2013-05-23 2017-03-08 Ampleon Netherlands B.V. Doherty-Verstärker
CN103684271A (zh) * 2013-11-22 2014-03-26 小米科技有限责任公司 提高射频功率放大器效率的装置和方法
JP5833094B2 (ja) * 2013-12-26 2015-12-16 株式会社東芝 電力増幅装置、及び電力増幅装置の制御方法
KR101694709B1 (ko) * 2016-02-04 2017-01-10 포항공과대학교 산학협력단 오프셋 라인의 길이 조절을 이용한 도허티 증폭기의 효율 향상 회로
JP2018085635A (ja) 2016-11-24 2018-05-31 株式会社村田製作所 電力増幅器
US10211785B2 (en) * 2016-12-29 2019-02-19 Nxp Usa, Inc. Doherty amplifiers with passive phase compensation circuits
JP6635358B2 (ja) * 2017-02-17 2020-01-22 パナソニックＩｐマネジメント株式会社 高周波増幅器
KR102463954B1 (ko) * 2018-01-22 2022-11-04 미쓰비시덴키 가부시키가이샤 증폭기
US20220360231A1 (en) * 2019-02-13 2022-11-10 Nec Corporation Doherty power amplifier
WO2020217319A1 (ja) 2019-04-23 2020-10-29 三菱電機株式会社 ドハティ増幅器及び通信装置
WO2020246029A1 (ja) 2019-06-07 2020-12-10 三菱電機株式会社 ドハティ増幅器
EP4123902B1 (de) * 2020-04-27 2024-07-10 Mitsubishi Electric Corporation Doherty-verstärker
JP2021190896A (ja) * 2020-06-01 2021-12-13 株式会社村田製作所 制御回路

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997020385A1 (en) * 1995-11-30 1997-06-05 Motorola Inc. Doherty-type amplifier and tuning method
WO2001091282A2 (en) * 2000-05-26 2001-11-29 D.S.P.C. Technologies Ltd. Rf power amplifier and methods for improving the efficiency thereof
US20040113698A1 (en) * 2002-11-18 2004-06-17 Postech Foundation Signal amplifier using a doherty amplifier
EP1583228A2 (de) * 2002-01-16 2005-10-05 Telefonaktiebolaget LM Ericsson (publ) Zusammengesetzter Listungsverstärker
JP2006166141A (ja) * 2004-12-08 2006-06-22 Matsushita Electric Ind Co Ltd ドハティ増幅器

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5420541A (en) * 1993-06-04 1995-05-30 Raytheon Company Microwave doherty amplifier
JP3259703B2 (ja) * 1998-12-28 2002-02-25 日本電気株式会社 マイクロ波増幅回路
SE516847C2 (sv) * 2000-07-07 2002-03-12 Ericsson Telefon Ab L M Sammansatt förstärkare samt sändare som innefattar en sådan förstärkare
US6472934B1 (en) * 2000-12-29 2002-10-29 Ericsson Inc. Triple class E Doherty amplifier topology for high efficiency signal transmitters
KR100546491B1 (ko) * 2001-03-21 2006-01-26 학교법인 포항공과대학교 초고주파 도허티 증폭기의 출력 정합 장치
JP4183941B2 (ja) 2001-12-13 2008-11-19 株式会社エヌ・ティ・ティ・ドコモ 高効率増幅器
SE522479C2 (sv) * 2002-01-16 2004-02-10 Ericsson Telefon Ab L M Sammansatt effektförstärkare
US6791417B2 (en) * 2002-01-28 2004-09-14 Cree Microwave, Inc. N-way RF power amplifier circuit with increased back-off capability and power added efficiency using selected phase lengths and output impedances
KR100450744B1 (ko) * 2002-08-29 2004-10-01 학교법인 포항공과대학교 도허티 증폭기
JP4209652B2 (ja) * 2002-09-24 2009-01-14 三菱電機株式会社 高周波電力増幅器
JP4248367B2 (ja) * 2003-10-21 2009-04-02 島田理化工業株式会社 電力合成形高効率増幅器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997020385A1 (en) * 1995-11-30 1997-06-05 Motorola Inc. Doherty-type amplifier and tuning method
WO2001091282A2 (en) * 2000-05-26 2001-11-29 D.S.P.C. Technologies Ltd. Rf power amplifier and methods for improving the efficiency thereof
EP1583228A2 (de) * 2002-01-16 2005-10-05 Telefonaktiebolaget LM Ericsson (publ) Zusammengesetzter Listungsverstärker
US20040113698A1 (en) * 2002-11-18 2004-06-17 Postech Foundation Signal amplifier using a doherty amplifier
JP2006166141A (ja) * 2004-12-08 2006-06-22 Matsushita Electric Ind Co Ltd ドハティ増幅器

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
KENICHI HORIGUCHI ET AL: "Efficiency Enhancement of 250W Doherty Power Amplifiers Using Virtual Open Stub Techniques for UHF-band OFDM Applications", MICROWAVE SYMPOSIUM DIGEST, 2006. IEEE MTT-S INTERNATIONAL, IEEE, PI, 1 June 2006 (2006-06-01), pages 1356 - 1359, XP031018731, ISBN: 978-0-7803-9541-1 *
KYOUNG-JOON CHO ET AL: "N-Way Distributed Doherty Amplifier with an Extended Efficiency Range", MICROWAVE SYMPOSIUM, 2007. IEEE/MTT-S INTERNATIONAL, IEEE, PI, 1 June 2007 (2007-06-01), pages 1581 - 1584, XP031112249, ISBN: 978-1-4244-0687-6 *
See also references of WO2007015462A1 *
YOUNGOO YANG ET AL: "A Fully Matched N-Way Doherty Amplifier With Optimized Linearity", IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, vol. 51, no. 3, 1 March 2003 (2003-03-01), pages 986 - 993, XP011076951, ISSN: 0018-9480 *

Also Published As

Publication number Publication date
KR100957895B1 (ko) 2010-05-13
US7649412B2 (en) 2010-01-19
CN101228689A (zh) 2008-07-23
EP1912328B1 (de) 2011-09-21
EP1912328A1 (de) 2008-04-16
KR20080023361A (ko) 2008-03-13
JPWO2007015462A1 (ja) 2009-02-19
WO2007015462A1 (ja) 2007-02-08
US20090206926A1 (en) 2009-08-20
CN101228689B (zh) 2010-09-22

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